Home / 212,209.15-318,364.30-62,454.33

Finding the Fourth Proportional to 212,209.15, 318,364.30 and 62,454.33

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Solution

The fourth proportional to 212,209.15, 318,364.30 and 62,454.33 is: 93,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,209.15 : 318,364.30 = 62,454.33 : x
  2. Step 2: Convert to fraction form
    212,209.15/318,364.30 = 62,454.33/x
  3. Step 3: Cross multiply
    212,209.15x = 318,364.30 × 62,454.33
  4. Step 4: Simplify right side
    212,209.15x = 19,883,227,936.62
  5. Step 5: Solve for x
    x = 19,883,227,936.62/212,209.15
  6. Step 6: Final answer
    x = 93,696.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.